hi, ellen! hi, ellen! hi, ellen! hi, ellen! we're going on a field trip to china! wow. [ chuckles ] when i was a kid, we -- we would just go to the -- the farm. [ cow moos ] [ laughter ] no, seriously, where are you guys going? ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! ni hao! [ female announcer ] the new classroom. see it. live it. share it. on the human network. cisco. >>. >> all right, in the next few minutes, tony hayward, the outgoing bp ceo, and the corporate face of the british disaster goes from a panel. he will talk about what the gulf oil disaster means for deepwater drilling in britain. they are taking a closer look at their own moratorium on deepwater drilling and whether safety and environmental standards need to be changed. >>> back in the gulf, a scientist might have found more cause for concern. deep on the sea floor. cnn's brian todd explains. >> reporter: a deepwater csi in the gulf and a potentially ominous findingle. researchers discover what they say is a substantial layer of oil in the sediment in